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the process of extracting metals from ores using bacteria.
small, non-pigmented plastids that occur in roots and non-photosynthetic tissues of plants. They...
the first step of cellular respiration in which glucose is converted to pyruvic acid with small...
thin layer of living tissue between the xylem and the phloem, which is able to divide to make...
(also called a glacial age) a long period of low temperature on Earth, during which large sheets...